Removal and replacement of ADU modules
8-32
Chapter 8: Service & maintenance
98-133966-G1
8.5.5.1
Removing the Cross Elevation DDM
To replace the Cross Elevation DDM, do as follows:
1. Open the service hatch by releasing the two latches with Torx
screws.
2. Switch off the power to the antenna on the service switch.
3. Rotate the antenna pedestal so that the arm with the Cross Elevation
DDM module faces the service hatch.
4. Disconnect the 3 connectors at the top of the Cross Elevation DDM,
then the 2 SUB-D connectors at the bottom of the DDM.
5. Remove the 4x4 mm Allen screws (thread size M5) (visible when the
connectors are removed) and remove the Cross Elevation DDM.
Tools needed:
• 4 x 150 mm Allen key
(located inside the service
door of the ADU)
• Flat head screw driver
Figure 8-34: Location of the Cross Elevation DDM
Figure 8-35: Replacing the DDM — remove connectors
DDM
SAILOR900TM.book Page 32 Monday, September 16, 2013 11:01 AM
Summary of Contents for Sailor 900 VSAT
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